In the past, having a dynamic site caused issues with most search engines. If your site has weird parameters in the URL, they were known as stop characters, and search engines would stop crawling them ...
The Yahoo Search Blog announced a new Site Explorer feature that enables webmasters to inform Yahoo about dynamic URLs that might be creating duplicate content issues or crawl barriers. The new ...
Google say, in bold, “avoid reformatting a dynamic URL to make it look static.” But Google also admitted that “static URLs might have a slight advantage in terms of clickthrough rates.” However, ...